Brahmanism:

"This is the sum of duty. Do naught unto others which would cause pain unto you."
Mahabharate 5, 1517.

Buddhism:

"Hurt not others in ways that you yourself would find hurtful."
Udana-Varga 5,18.

Christianity:

"All things whatsoever you should wish that men should do to you, do you even so to them."
Matthew. 7,12.

Hinduism:

"This is the sum of duty: do naught unto others which would cause you pain if done to you."
Mahabharata, X111:114.

Janism:

"In happiness and suffering, in joy and grief, we should regard all creatures as we regard our own self."
Mahavira.

Judaism:

"What is hateful to you, do not do to your fellow men."
Talmud, Shabbat 13a.

Baha’i:

"Let us care for each and everyone of us, for the earth is one country and mankind its citizens".

Islam:

"We should build good relations with all people in the wolrd and spread peace everywhere."
Qur'an. Ch 49. V 13.

Sikhism:

"Equality in care and compassion is guaranteed for all the men & women everywhere."
Mahabharate 5, 1517.

Confucius/
Taoism:

"Regard your neighbour’s gain as your own gain and your neighbour’s loss as your own loss."
T'ai Shang Kan Ying P'ien.